Migrate emulation/DeviceModeView to TypeScript
Migrate emulation/DeviceModeView to TypeScript

Bug: 1011811
Change-Id: I20f5d21e3e79bba93a826b6bb995d8b12d393ab5
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2502610
Auto-Submit: Jack Franklin <993fcadce4d04090da2fefd557a0995e7966c8d5@chromium.org>
Reviewed-by: Tim van der Lippe <dba8716ee7f8d16236046f74d2167cb94410f6ed@chromium.org>
Commit-Queue: Jack Franklin <993fcadce4d04090da2fefd557a0995e7966c8d5@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend